Bug 796938 - Switch nsGlobalWindow::Focus to GetEntryGlobal and eliminate nsContentUtils::GetWindowFromCaller. r=smaug

content/base/public/nsContentUtils.h

@@ -404,12 +404,6 @@ public:
   // aWindow can be either outer or inner window.
   static bool CanCallerAccess(nsPIDOMWindow* aWindow);
 
-  /**
-   * Get the window through the JS context that's currently on the stack.
-   * If there's no JS context currently on the stack, returns null.
-   */
-  static nsPIDOMWindow *GetWindowFromCaller();
-
   /**
    * The two GetDocumentFrom* functions below allow a caller to get at a
    * document that is relevant to the currently executing script.

content/base/src/nsContentUtils.cpp

@@ -1953,19 +1953,6 @@ nsContentUtils::TraceSafeJSContext(JSTracer* aTrc)
   }
 }
 
-nsPIDOMWindow *
-nsContentUtils::GetWindowFromCaller()
-{
-  JSContext *cx = GetCurrentJSContext();
-  if (cx) {
-    nsCOMPtr<nsPIDOMWindow> win =
-      do_QueryInterface(nsJSUtils::GetDynamicScriptGlobal(cx));
-    return win;
-  }
-
-  return nullptr;
-}
-
 nsIDocument*
 nsContentUtils::GetDocumentFromCaller()
 {

dom/base/nsGlobalWindow.cpp

@@ -6558,7 +6558,7 @@ nsGlobalWindow::Focus(ErrorResult& aError)
     return;
   }
 
-  nsIDOMWindow *caller = nsContentUtils::GetWindowFromCaller();
+  nsCOMPtr<nsIDOMWindow> caller = do_QueryInterface(GetEntryGlobal());
   nsCOMPtr<nsIDOMWindow> opener;
   GetOpener(getter_AddRefs(opener));